Lennox 74W17 Wiring Harness 322838-753 It is engineered to replace

It is engineered to replace legacy controllers in specific 2-stage and single-stage furnaces

Diagnostic LED status indicators allow for rapid on-site troubleshooting of power

5°F to 47

This 2-pole 40-amp contactor features a 24Vac coil and silver cadmium oxide contacts specifically chosen to withstand high-arc duty cycles without welding or excessive pitting

Optimized Level Control: Restores the internal volume required for the float to actuate the low water cut-off sequence without mechanical interference

Lennox 74W17 Wiring Harness 322838-753 It is engineered to replaceThe Lennox 74W17 Wiring Harness (model 104798 01) is an essential OEM HVAC electrical harness engineered for industrial grade power distribution and signal transmission within Lennox heat pumps and air conditioning systems. Functioning as the "nervous system" of the unit, this factory authorized wiring assembly facilitates reliable communication between the control board, compressor, and sensor arrays. It features precision engineered connectors and